Which athlete-led social media campaign first exceeded $1 billion in attributed sales, demonstrating the power of athlete influencers over traditional advertising?

Influencer marketing has revolutionized how sports brands connect with consumers. Athletes have transformed from mere endorsers to powerful marketing channels with direct audience connections. This shift has created new opportunities for authentic brand partnerships and changed how sports products are marketed. Test your knowledge about a groundbreaking moment in sports influencer marketing history that changed the game for athlete partnerships.

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Cristiano Ronaldo's CR7 underwear launch on Instagram (2019)
LeBron James' #StriveForGreatness Nike campaign (2020)
Serena Williams' S by Serena fashion collection TikTok debut (2021)
Tom Brady's TB12 supplement line Twitter promotion (2018)